Published by:
CGP EDU Academic Team
Published on: August 14, 2026
of a mixture of 0.2 moles of 
moles of 
react to give 
according to the
equation: 
at constant T & P. Then, ratio of final volume to initial volume of gases is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
mixture has 0.8 moles. 
of its reacts So, mixture reacted 
At equilibrium, n moles 
and 3 n moles 
have reacted
Total number of final gaseous moles
Total number of initial gaseous moles 
Apply PV = nRT,
Divide 
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